src/type3_AndroidCloud/anbox-master/external/process-cpp-minimal/src/core/testing/fork_and_run.cpp

   1 /*
   2  * Copyright © 2012-2013 Canonical Ltd.
   3  *
   4  * This program is free software: you can redistribute it and/or modify it
   5  * under the terms of the GNU Lesser General Public License version 3,
   6  * as published by the Free Software Foundation.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU Lesser General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU Lesser General Public License
  14  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15  *
  16  * Authored by: Thomas Voß <thomas.voss@canonical.com>
  17  */
  18
  19 #include <core/testing/fork_and_run.h>
  20
  21 #include <core/posix/exit.h>
  22 #include <core/posix/fork.h>
  23 #include <core/posix/wait.h>
  24
  25 core::testing::ForkAndRunResult core::testing::operator|(
  26         core::testing::ForkAndRunResult lhs,
  27         core::testing::ForkAndRunResult rhs)
  28 {
  29     return static_cast<core::testing::ForkAndRunResult>(
  30                 static_cast<unsigned int> (lhs) | static_cast<unsigned int>(rhs));
  31 }
  32
  33 core::testing::ForkAndRunResult core::testing::operator&(
  34         core::testing::ForkAndRunResult lhs,
  35         core::testing::ForkAndRunResult rhs)
  36 {
  37     return static_cast<core::testing::ForkAndRunResult>(
  38                 static_cast<unsigned int> (lhs) & static_cast<unsigned int>(rhs));
  39 }
  40
  41 core::testing::ForkAndRunResult core::testing::fork_and_run(
  42         const std::function<core::posix::exit::Status()>& service,
  43         const std::function<core::posix::exit::Status()>& client)
  44 {
  45     core::testing::ForkAndRunResult result = core::testing::ForkAndRunResult::empty;
  46
  47     auto service_process = core::posix::fork(service, core::posix::StandardStream::empty);
  48     auto client_process = core::posix::fork(client, core::posix::StandardStream::empty);
  49
  50     auto client_result = client_process.wait_for(core::posix::wait::Flags::untraced);
  51
  52     switch (client_result.status)
  53     {
  54     case core::posix::wait::Result::Status::exited:
  55         if (client_result.detail.if_exited.status == core::posix::exit::Status::failure)
  56             result = result | core::testing::ForkAndRunResult::client_failed;
  57         break;
  58     default:
  59         result = result | core::testing::ForkAndRunResult::client_failed;
  60         break;
  61     }
  62
  63     service_process.send_signal_or_throw(core::posix::Signal::sig_term);
  64     auto service_result = service_process.wait_for(core::posix::wait::Flags::untraced);
  65
  66     switch (service_result.status)
  67     {
  68     case core::posix::wait::Result::Status::exited:
  69         if (service_result.detail.if_exited.status == core::posix::exit::Status::failure)
  70             result = result | core::testing::ForkAndRunResult::service_failed;
  71         break;
  72     default:
  73         result = result | core::testing::ForkAndRunResult::service_failed;
  74         break;
  75     }
  76
  77     return result;
  78 }